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Operation
Warning
Do not use in the presence of
flammable or combustible mate-
rials — fire or explosion may
result. This device contains
components which may ignite
such material.
To avoid electrical shock, this
furnace must have the door
switch operating properly.
Hot Surface
Caution: Avoid Contact. Do not
touch the exterior or interior sur-
faces of the furnace during use
or for a period of time after use.
Figure 2: Digital Control
10
Power Switch
When power is switched ON, the On/OFF
power switch will illuminate and the digital dis-
play will illuminate.
Cycle Light
The amber cycle light will illuminate whenever
the power is being applied to the heating ele-
ments. The cycle light will flicker on/off as fur-
nace reaches setpoint.
Door Safety Switches
The door safety switches remove power from
the heating elements when the door is opened.
Open and close the door a few times; note that
the amber CYCLE light will be out when door is
open. This check must be done when furnace is
heating or when cycle light is illuminated. If this
condition is not true, consult the
Troubleshooting section before proceeding.
Digital Readout
The digital readout continuously displays cham-
ber temperature unless the Push To Set
Temperature button is depressed. Then setpoint
temperature is displayed.
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